To log in to the Gear Store you must have a Gear Store account different from your Battle.net account.
Enabling the Command Key + Click combination on Mac systems.
Troubleshooting steps for resolving payment error in Heroes of the Storm.
How to update your BattleTag.
Instructions to enable vertical sync in applicable games.
Information about the error "Please select a different realm" when transferring a WoW Classic character.
This article explains the process of speaking to a Game Master (GM).
What to do if you need to unlink your Activision account from your Blizzard account
Cannot install or Patch Call of Duty: Black Ops 4
Information on error BLZ51900011